Diamondback DB15 Obsidian First Shots

Published on June 29, 2025
Duration: 11:39

This review of the Diamondback DB15 Obsidian AR-15 pistol highlights its features and initial performance. While offering good value with features like an 11.5-inch barrel and ambi controls, an early magazine over-insertion malfunction raises questions about long-term reliability compared to established competitors. The reviewer, Chris, provides an objective assessment based on his extensive experience.

Quick Summary

The Diamondback DB15 Obsidian is an 11.5-inch 5.56 NATO AR-15 pistol featuring an 11-inch M-LOK rail and SBA3 brace. While offering good value and features for its price (often under $1000), an early magazine over-insertion malfunction raises questions about its long-term reliability compared to established competitors.

Chapters

  1. 00:09Introduction to Diamondback DB15 Obsidian
  2. 00:51Initial Feature Overview (11.5" Barrel, M-LOK Rail)
  3. 01:51Brand Reputation and Pricing Analysis
  4. 02:49Range Testing: First Shots & Malfunction
  5. 07:22Post-Shoot Performance Summary (210 Rounds)
  6. 10:46Market Comparison and Final Thoughts

Frequently Asked Questions

What are the key features of the Diamondback DB15 Obsidian?

The Diamondback DB15 Obsidian is an 11.5-inch 5.56 NATO AR-15 pistol featuring an 11-inch M-LOK rail, an SBA3 brace, and full ambi controls. It boasts forged receivers with precise milling, though a slight gap between the rail and upper receiver was noted.

How did the Diamondback DB15 Obsidian perform during testing?

During initial range testing with 210 rounds, the rifle shot 'soft' and 'smooth.' However, a significant malfunction occurred early on involving magazine over-insertion, which required clearing. Aside from this, performance was generally good.

What is the value proposition of the Diamondback DB15 Obsidian?

The DB15 Obsidian is positioned as a more premium offering from Diamondback, with an MSRP of $1216, but often available for under $1000. It includes several desirable features for its price point, making it a potentially good value if long-term reliability is confirmed.

How does the DB15 Obsidian compare to other budget AR-15s?

Compared to models like the Ruger 556, S&W Sport III, and Springfield Saint, the DB15 Obsidian offers more features. However, the reviewer remains cautious about its long-term reliability due to an early malfunction, an area where the other established brands might have an edge.

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